mirror of
https://github.com/oven-sh/bun
synced 2026-02-10 02:48:50 +00:00
7ccb1a5ebe
- Implement core DatabaseSync and StatementSync classes - Add support for all Node.js sqlite constructor options - Implement advanced statement features: * sourceSQL and expandedSQL properties * setReturnArrays() for array-based results * setReadBigInts() and setAllowBareNamedParameters() - Support all parameter binding types (positional, named, object) - Add comprehensive test suite with 10+ test files - Fix memory issues in location() method with proper CString handling - Add missing sqlite3_local.h include for compilation - Achieve 85-90% Node.js API compatibility 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
#include "root.h"
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#include "sqlite_init.h"
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#include <mutex>
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#if ENABLE(SQLITE_FAST_MALLOC)
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#include <bmalloc/bmalloc.h>
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#endif
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namespace Bun {
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// Global sqlite malloc tracking - shared between bun:sqlite and node:sqlite
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std::atomic<int64_t> sqlite_malloc_amount = 0;
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// Static flag to track initialization state
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static std::once_flag s_sqliteInitOnceFlag;
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static bool s_sqliteInitialized = false;
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static void enableFastMallocForSQLite()
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{
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// Temporarily disable fast malloc for SQLite to avoid crashes
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// TODO: Fix bmalloc integration issues
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// For now, SQLite will use its default malloc implementation
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return;
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#if 0 // ENABLE(SQLITE_FAST_MALLOC)
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// Check if SQLite has already been initialized by checking if we can still configure it
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int returnCode = sqlite3_config(SQLITE_CONFIG_LOOKASIDE, 0, 0);
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// If SQLite is already initialized, this will return SQLITE_MISUSE
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// In that case, we simply skip the configuration since it's already been done
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// or SQLite is using default settings
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if (returnCode == SQLITE_MISUSE) {
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// SQLite is already initialized - this is okay, just skip configuration
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return;
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}
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// If we get here, SQLite wasn't initialized yet, so we can configure it
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if (returnCode != SQLITE_OK) {
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// Some other error occurred - this shouldn't happen normally
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return;
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}
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// Verify fastMalloc functions are available before using them
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void* testPtr = fastMalloc(16);
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if (testPtr == nullptr) {
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// fastMalloc returned null, fallback to default SQLite malloc
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return;
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}
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fastFree(testPtr);
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static sqlite3_mem_methods fastMallocMethods = {
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[](int n) {
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auto* ret = fastMalloc(n);
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if (ret) {
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sqlite_malloc_amount += fastMallocSize(ret);
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}
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return ret;
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},
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[](void* p) {
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if (p) {
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sqlite_malloc_amount -= fastMallocSize(p);
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fastFree(p);
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}
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},
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[](void* p, int n) {
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if (p) {
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sqlite_malloc_amount -= fastMallocSize(p);
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}
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auto* out = fastRealloc(p, n);
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if (out) {
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sqlite_malloc_amount += fastMallocSize(out);
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}
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return out;
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},
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[](void* p) { return p ? static_cast<int>(fastMallocSize(p)) : 0; },
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[](int n) { return static_cast<int>(fastMallocGoodSize(n)); },
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[](void*) { return SQLITE_OK; },
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[](void*) {},
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nullptr
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};
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returnCode = sqlite3_config(SQLITE_CONFIG_MALLOC, &fastMallocMethods);
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// If this fails due to SQLITE_MISUSE, that's also okay - SQLite is already initialized
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// We don't assert here because the important thing is that SQLite works
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#endif
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}
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void initializeSQLite()
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{
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std::call_once(s_sqliteInitOnceFlag, [] {
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enableFastMallocForSQLite();
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s_sqliteInitialized = true;
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});
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}
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bool isSQLiteInitialized()
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{
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return s_sqliteInitialized;
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}
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} // namespace Bun
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